
All-Out Fall Fest
Sat, Sep 19, 2026, 3:00 AM MDT
- Type
- Run
Sign up and verify details on the organizer's official page.
Race feel
A scenic fall half marathon along Big Dry Creek Trail, featuring remarkable views of Standley Lake and the Flatirons.
- Scenic
- Festive
Embrace the autumn season at the All-Out Fall Fest Half Marathon in Westminster, CO. This annual event, now in its 9th year, invites runners to experience the beauty of Colorado's trails and parks. The course follows Big Dry Creek Trail, offering stunning views of Standley Lake with the majestic Flatirons in the distance. It's a wonderful opportunity to enjoy a scenic run as fall arrives.
What to expect
- - Run a half marathon course along the Big Dry Creek Trail.
- - Enjoy remarkable views of Standley Lake with the Flatirons on the horizon.
- - Navigate a hilly course at a high altitude.
Standout details
From the organizer
One of Colorado's favorite trails meets one of its most glorious parks at our 9th annual Fallfest! As courses wind southwest along Big Dry Creek Trail, the remarkable sight of Standley Lake with the Flatirons on the horizon will come into view. Its Endless Series sidekick in September is Beat the Heat .